Q.In a partnership business, the total profit is ₹1200. One partner invested ₹6000 and earned a profit of ₹900. Then, the capital invested by the other partner is ______.

Let the other person's capital be \(x\) taka. ∴ The other person's profit = (1200 - 900) taka = 300 taka. According to the question, \[ 6000 : x = 900 : 300 \] Or, \[ \frac{6000}{x} = \frac{900}{300} \] Or, \[ 900x = 6000 \times 300 \] So, \[ x = \frac{6000 \times 300}{900} = 2000 \] ∴ In a partnership business with a total profit of ₹ 1200 , if one person’s capital is ₹ 6000 and their profit is ₹ 900 , then the other person’s capital is ₹ 2000 .
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